Shimano Biomaster 3000

The fathead minnow has an alarm that launches a compound called Schreckstoff when specific cells are hurt in an assault. Then, this released element is spotted by the predator fish which after that will conceal or dart away. This system helps fathead minnows recognize prospective predators. The fathead's primary predator is the northern pike, and this chemical recognition ability assists the minnow realized its killers.

Fathead minnows could allow, relatively well, extreme conditions. It can occupy waters that may be uninhabitable to other fish. Waste water drainage websites are an example. Nonetheless, the toxins in these situations might affect the minnows. There can be reduced reproductive ability.